transfer_trc20

Transfer TRC20 tokens to another TRON address.

SERVERJustlend SOURCEjustlend/mcp-server-justlend

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/justlend-mcp-server-justlend/transfer-trc20.md

WHAT IT DOES

What transfer_trc20 does on Justlend

AI agents use transfer_trc20 to commit financial operations through Justlend, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why transfer_trc20 is rated Critical

This tool directly moves cryptocurrency tokens from one address to another, which is a financial operation that commits value transfer. Even though it may be reversible in some blockchain contexts (via counter-transfers), the primary classification is Financial because it moves money/crypto assets.

From the tool's definition Tool name 'transfer_trc20' combined with description 'Transfer TRC20 tokens to another TRON address' indicates moving cryptocurrency assets. TRC20 is the token standard on TRON blockchain; transferring tokens constitutes moving financial value.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs transfer_trc20 safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Justlend, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For transfer_trc20, this is the rule to start with:

transfer_trc20 Approval-gated

Any call to transfer_trc20 is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "transfer_trc20": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Justlend, apply this rule, and every transfer_trc20 call is checked against it from then on.

FAQ

Questions about transfer_trc20

What does the transfer_trc20 tool do? +

Transfer TRC20 tokens to another TRON address. It is categorised as a Financial tool in the Justlend MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on transfer_trc20? +

Register the Justlend MCP server in PolicyLayer and add a rule for transfer_trc20: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Justlend. Nothing to install.

What risk level is transfer_trc20? +

transfer_trc20 is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit transfer_trc20? +

Yes. Add a rate_limit block to the transfer_trc20 rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block transfer_trc20 completely? +

Set action: deny in the PolicyLayer policy for transfer_trc20. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides transfer_trc20? +

transfer_trc20 is provided by the Justlend MCP server (justlend/mcp-server-justlend). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Justlend, and thousands of servers like it.

This server

All 104 Justlend tools → Critical-risk tools on this server →

Across the catalogue

bridge_transfer on 0xaibridge →transfer_sites on A3plus → All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →